It’s off-topic – i.e. doesn’t contribute to discussion of the suggested bug, and more resembles feedback, taking a small jab at the devs. Per Changes to bug reporting.
I’m in love with the streamlined attention given to Bug Reports these days, and while I get that flagging might seem overzealous, I generally find it’s very easy for these threads to quickly devolve as soon as one person gives their opinion (as others like to respond, weigh in, etc.).
I want reading and responding to these reports to be as easy as possible for (presumably) Kafka.